分别对直井和斜井平行射孔射孔器进行设计，达到精准射孔的目的。

Conducting design to vertical and horizontal well, the objective of accurate percolation is reached.

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分别对直井和斜井平行射孔射孔器进行设计，达到精准射孔的目的。

Conducting design to vertical and horizontal well, the objective of accurate percolation is reached.

youdao